*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From Lullaby Earth, this mattress cover features: The Lullaby Earth Breeze Air Breathable mini crib mattress cover is a washable, waterproof, breathable pad that can be added to the mini crib mattress. It combines a breathable surface and waterproof backing while still being machine washable. The breathable pad provides an airflow layer between the baby and the mattress and enhances breathability when the baby is face down. The Breeze Air is made with a luxurious surface material.  Breathable layer between the baby and the mattress  Breathable layer is waterproof and removable  Full breathability with full hygiene  Make any crib mattress breathable  Waterproof backing acts as a built-in mattress protector  No harmful chemicals and no flame retardants  No toxic chemical odors/smells  Machine washable  GREENGUARD Gold Certified  Made Safe certified  No vinyl, phthalates, polyurethane foam, flame retardant chemicals or barriers, formaldehyde, pesticides, GMO's, glues/adhesives, etc.  Fits Mini crib size approximately 24" x 38" x 3"  See www.lullabyearth.com for more information and Lullaby Earth safety awards The Lullaby Earth Breeze Air mattress cover is sewn and finished in the U.S.A. with imported fabric. Lullaby Earth Breeze Air Crib Mattress Cover